African country reveals plans for world's biggest solar plant.

1366 Technologies raises $20 million to fund a cheaper path to solar power.

Mojave Desert facility will be California's first solar thermal project in two decades.

Japanese "solar sail" propelled by the sun.

26-hour flight confirms viability of emissions-free air travel.

Largest solar-powered boat in the world to attempt historic voyage.

But wildlife conservation groups oppose the project, the New York Times reports.

Eric Ripert at Le Bernardin is the first chef in New York City to be cooking with Nature’s Fynd, which is not seafood at all, but a protein fermented from an extremophilic fungal microbe (Fusarium strain flavolapis or “yellow stone,” nicknamed Fy) discovered by NASA-funded scientists in an acidic hot spring in Yellowstone National Park.

If a building also has batteries to store the energy, it could be totally self-sufficient.

India’s lattice buildings are both beautiful, unique, and efficient in keeping the building cool without the need for any air conditioner.